Segments in this Video

Controlling Voluntary and Involuntary Responses (06:42)


Autonomic functions include inhaling, blinking, and perspiring. The brain processes surroundings and sends signals through the nervous system to other parts of the body. Neurological disorders include muscular sclerosis, congenital insensitivity to pain, and Alzheimer's disease. The SCN9A genome causes CIPA.

How Nervous Systems Work (07:32)

Neurologists are attempting to map neuron reactions using fruit flies at the Janelia Research Facility. Neural pathways grow as species learn new actions and computations. Human dopaminergic neurons become active when subjects receive a reward.

Manipulating Nerves (08:16)

Neurologists are creating prosthetics that can be controlled with the mind. Tiffany Johnson describes losing her limb during a shark attack. Targeted muscle reinnervation surgery helps make artificial limbs more intuitive.

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Nervous System

Part of the Series : Vital Signs
DVD (Chaptered) Price: $129.95
DVD + 3-Year Streaming Price: $194.93
3-Year Streaming Price: $129.95



Inhaling, perspiring, blinking - these actions are all on autopilot. But behind these simple functions is a complex network made up of billions of cells telling our lungs to breathe, our skin to sweat, and our eyes to blink. This silent workhorse is the nervous system. It's the way we control our bodies and communicate with the world around us. We map out this command center, investigate what happens when it doesn't work, and see how technology is enabling amputees to communicate with their artifical limbs through the nervous system.

Length: 23 minutes

Item#: FPT210556

ISBN: 978-1-63722-138-9

Copyright date: ©2018

Closed Captioned

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Not available to Home Video and Publisher customers.